{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:6YU75CGBHGAPUBSFKCUFD6BPRA","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fb7a4677f84ac25727e4dc50e432fdc49a9dc415f17c2597ac80e7658411d5f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-24T17:10:26Z","title_canon_sha256":"d807c292387fcd56c0ff93786e4f75c4d69c1582d25315f065ac243a4da93474"},"schema_version":"1.0","source":{"id":"2203.13214","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.13214","created_at":"2026-07-05T04:40:52Z"},{"alias_kind":"arxiv_version","alias_value":"2203.13214v2","created_at":"2026-07-05T04:40:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.13214","created_at":"2026-07-05T04:40:52Z"},{"alias_kind":"pith_short_12","alias_value":"6YU75CGBHGAP","created_at":"2026-07-05T04:40:52Z"},{"alias_kind":"pith_short_16","alias_value":"6YU75CGBHGAPUBSF","created_at":"2026-07-05T04:40:52Z"},{"alias_kind":"pith_short_8","alias_value":"6YU75CGB","created_at":"2026-07-05T04:40:52Z"}],"graph_snapshots":[{"event_id":"sha256:464d0ccb820fe409b30263f7e73c02fe20529322c5a34bc73cabbc8e19dae0d1","target":"graph","created_at":"2026-07-05T04:40:52Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2203.13214/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent optical flow methods are almost exclusively judged in terms of accuracy, while their robustness is often neglected. Although adversarial attacks offer a useful tool to perform such an analysis, current attacks on optical flow methods focus on real-world attacking scenarios rather than a worst case robustness assessment. Hence, in this work, we propose a novel adversarial attack - the Perturbation-Constrained Flow Attack (PCFA) - that emphasizes destructivity over applicability as a real-world attack. PCFA is a global attack that optimizes adversarial perturbations to shift the predicted","authors_text":"Andr\\'es Bruhn, Jenny Schmalfuss, Philipp Scholze","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-24T17:10:26Z","title":"A Perturbation-Constrained Adversarial Attack for Evaluating the Robustness of Optical Flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.13214","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7348ca005f266ec43bb2c8168f86ac273b9db68fe3d2e698346077fdc8baeee4","target":"record","created_at":"2026-07-05T04:40:52Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fb7a4677f84ac25727e4dc50e432fdc49a9dc415f17c2597ac80e7658411d5f5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-03-24T17:10:26Z","title_canon_sha256":"d807c292387fcd56c0ff93786e4f75c4d69c1582d25315f065ac243a4da93474"},"schema_version":"1.0","source":{"id":"2203.13214","kind":"arxiv","version":2}},"canonical_sha256":"f629fe88c13980fa064550a851f82f8808d281510d32de9e22beb375378efdb3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f629fe88c13980fa064550a851f82f8808d281510d32de9e22beb375378efdb3","first_computed_at":"2026-07-05T04:40:52.796172Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:40:52.796172Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NMA8YJOKAejV6/93ykElyQK4wZNckHFs9NCzBBATq5PnzJvVNiwBl+xlUpmbk1l+D6lYLw8eHC5AFcFSv2c+Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T04:40:52.796631Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.13214","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7348ca005f266ec43bb2c8168f86ac273b9db68fe3d2e698346077fdc8baeee4","sha256:464d0ccb820fe409b30263f7e73c02fe20529322c5a34bc73cabbc8e19dae0d1"],"state_sha256":"1f85e0afc2db4d46d3050c69940ec5302e517f5f130c7fec6a306742a407a602"}